ci(workflow): nodejs (#56)

depreciate nodejs 12 testing

Author: sam bacha

.github/workflows/nodejs.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ["12.x", "14.x"]
+        node: ["14.x"]
         os: ["ubuntu-latest"]
 
     steps: